<template>
    <transition name="slide">
        <music-list :title="title" :bg-image="bgImage" :songs="songs" :rank="rank"></music-list>
    </transition>
</template>

<script type="text/ecmascript-6">
import MusicList from "components/music-list/music-list";
import { mapGetters } from "vuex";
import { getMusicList } from "api/rank";
import { ERR_OK } from "api/config";
import { createSong } from "common/js/song";
export default {
  computed: {
    title() {
      return this.topList.topTitle;
    },
    bgImage() {
      return this.topList.picUrl;
    },
    ...mapGetters(["topList"])
  },
  created() {
    this._getMusicList();
  },
  data() {
    return {
      songs: [],
      rank:true
    };
  },
  methods: {
    _getMusicList() {
      if (!this.topList.id) {
        this.$router.push("/rank");
        return;
      }
      getMusicList(this.topList.id).then(res => {
        if (res.code === ERR_OK) {
            console.log(res)
          this.songs = this._normalizeSongs(res.songlist);
        }
      });
    },
    _normalizeSongs(list) {
        let ret = [];
        list.map((item)=>{
            const musicData = item.data;
            
            if(musicData.songid && musicData.albumid) {
                ret.push(createSong(musicData))
            }
        })
        return ret;
    }
  },

  components: {
    MusicList
  }
};
</script>

<style lang="stylus" scoped rel="stylesheet/stylus">
.slide-enter-active, .slide-leave-active {
    transition: all 0.3s ease;
}

.slide-enter, .slide-leave-to {
    transform: translate3d(100%, 0, 0);
}
</style>
